Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
1988 WalteD Koenig
Melanerpes formicivorus
Plague
HNHR
(14 April) relatively large proportion of incubation here! Also, I've
seen no sign at all of 81443, who's probably gone.
* → Judy reports 8521 having been in the hole for ~5 min
later today! Otherwise, people have seen him, but not
go in, the hole.
15 April
(200. My turn to watch. Again, people report having seen
him go to, but not in, The hole.
1226. 8521 came, stuck his head in several times; left 4% enter-
1315. Checked hole: still 5 eggs. Measured #5: 25.0 × 18.8 mm.
1424. Same as at 1226.
16 April
910. Back again. 8512 still wasn't gone in again except for
the one time on 14 April.
* → 1043-1046. 8521 came, entered, spent most of the 3
minutes he was inside poking his head in and out. 8521 did not
look out during this time, she was presumably on the eggs.
8521 then left at 1046.
17 April
1215. Well, bad news. Yesterday afternoon 8521 started going
into the nest, and eventually tossed 2 eggs. Watches
were continued this morning, by which time the babies had
hatched. 8521 was seen going in, I think, by Jane K., but
nothing of interest was noted. Just now Judy finished
her watch and I checked the nest, finding 2 babies and
no eggs. So what happened to the 5th egg?
In any case, it appears to be a repeat of last year: 8521
again tossed 2 eggs right at hatching — then but did
not destroy the nest (although the disappearance of the 5th
baby/egg does raise the possibility that he still might do so).